C31232233133313221211113313331333133313331212111133131211113322231   >>    C3123223313331322121111331333133313331333121211113313121111332223   <<    C31232233133313221211113313331333133313331212111133131211113322233   >>      C31232233133313221211113313331333133313331212111133131211113322232   >>